Effects of Gaze Position on Ocular Vestibular Evoked Myogenic Potential (oVEMP)

Authors : Deniz Uğur CENGİZ, İsmail DEMİR, Sanem Can ÇOLAK, Sümeyye DEMİREL, Ercan KARABABA, Tuba BAYİNDİR

Pages : 337-344

Doi:10.30621/jbachs.1108971

View : 30 | Download : 9

Publication Date : 2023-01-31

Article Type : Research Paper

Abstract :Objective: To compare ocular vestibular evoked myogenic potential insert ignore into journalissuearticles values(oVEMP); responses obtained with superomedial and oblique gaze positions. Methods: The oVEMP test was applied in 59 healthy subjects at superomedial, right oblique, and left oblique gaze positions. Stimuli were presented at 110 dB nHL with a frequency of 500 Hz. oVEMP responses were recorded via electrodes placed on the lower eyelids. Results: Higher N1-P1 amplitudes were obtained in oblique gaze positions in the stimulated ear direction compared to the superomedial position insert ignore into journalissuearticles values(p<0.05);. The asymmetry values obtained in the superomedial gaze position were lower than those obtained in oblique gaze positions insert ignore into journalissuearticles values(p<0.05);. Superomedial and oblique gaze positions had no effect on the N1, P1, and N1-P1 latencies of the waves obtained from the right ear, left ear, and both ears insert ignore into journalissuearticles values(p>0.05);. Conclusion: Superomedial and oblique gaze positions affect oVEMP waves. In patients in whom vestibular hypofunction is suspected, it is recommended to control oVEMP responses in oblique gaze positions as well as in superomedial gaze positions in the evaluation of the residual vestibular functions. Keywords: oVEMP, gaze, vertigo
Keywords : ocular vestibular evoked myogenic potentials, gaze, vertigo